netdev - Re: TCP: Support configurable delayed-ack parameters

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Message-ID: <1393606344.26794.68.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 28 Feb 2014 08:52:24 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Harout Hedeshian <harouth@...eaurora.org>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: TCP: Support configurable delayed-ack parameters

On Fri, 2014-02-28 at 09:37 -0700, Harout Hedeshian wrote:
> 
> Hi Eric,
> 
> Disclaimer before I waste peoples' time on a ghost chase: This is
> running on non-x86 custom hardware where there may be buggy drivers or
> implementation. Also, 
> we are running on 3.10.0 and are unable to move to a newer kernel for
> reasons beyond my control.
> 
> I will capture pcap logs showing the TCP stream under standard
> configuration, and with mss*4. That said, sharing will be a problem as
> these files even with 
> limited capture size can be several hundred MB (of course attaching to
> the email won't work).
> 
Maybe you can point the relevant part, and shrink the pcap to reasonable
sizes ?

> I will keep an eye out for the should_defer() patch today. I would
> also appreciate if you could point me to the TCP Small Queue patch. I
> would like to pull 
> these into my build and give them a shot.

Please note it was a shout in the dark :)

Anyway here is the patch :
http://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=bf06200e732de613a1277984bf34d1a21c2de03d


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